kernel: ptrace() incorrect error handling leads to corruption and DoS

An address corruption flaw was discovered in the Linux kernel built with hardware breakpoint CONFIGHAVEHWBREAKPOINT support. While modifying a h/w breakpoint via 'modifyuserhwbreakpoint' routine, an unprivileged user/process could use this flaw to crash the system kernel resulting in DoS OR to...

kernel: ptrace() incorrect error handling leads to corruption and DoS

An address corruption flaw was discovered in the Linux kernel built with hardware breakpoint CONFIGHAVEHWBREAKPOINT support. While modifying a h/w breakpoint via 'modifyuserhwbreakpoint' routine, an unprivileged user/process could use this flaw to crash the system kernel resulting in DoS OR to...

kernel: ptrace() incorrect error handling leads to corruption and DoS

An address corruption flaw was discovered in the Linux kernel built with hardware breakpoint CONFIGHAVEHWBREAKPOINT support. While modifying a h/w breakpoint via 'modifyuserhwbreakpoint' routine, an unprivileged user/process could use this flaw to crash the system kernel resulting in DoS OR to...

kernel: ptrace() incorrect error handling leads to corruption and DoS

An address corruption flaw was discovered in the Linux kernel built with hardware breakpoint CONFIGHAVEHWBREAKPOINT support. While modifying a h/w breakpoint via 'modifyuserhwbreakpoint' routine, an unprivileged user/process could use this flaw to crash the system kernel resulting in DoS OR to...

CVE-2018-8897

A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual SDM was mishandled in the development of some or all operating-system kernels, resulting in unexpected behavior for DB exceptions that are deferred by MOV SS or POP SS, as demonstrated ...

CVE-2018-8897

A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual SDM was mishandled in the development of some or all operating-system kernels, resulting in unexpected behavior for DB exceptions that are deferred by MOV SS or POP SS, as demonstrated ...

CVE-2018-8897

A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual SDM was mishandled in the development of some or all operating-system kernels, resulting in unexpected behavior for DB exceptions that are deferred by MOV SS or POP SS, as demonstrated ...

CVE-2018-8897

A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual SDM was mishandled in the development of some or all operating-system kernels, resulting in unexpected behavior for DB exceptions that are deferred by MOV SS or POP SS, as demonstrated ...

Perspective ICM Investigation & Case 5.1.1.16 - Privilege Escalation

Exploit Title: Privilege Escalation - Perspective ICM Investigation & Case - 5.1.1.16 Date Reported to vendor: Jun 28, 2017 Date Accepted by vendor: Jun 11, 2017 Exploit Author: [email protected] Vendor Homepage: www.resolver.com Version: Perspective ICM Investigation & Case -...

Microsoft Windows win32kbase!NtQueryCompositionInputQueueAndTransform Kernel Stack Memory Disclosure

The win32k!NtQueryCompositionInputQueueAndTransform system call may disclose portions of uninitialized kernel stack memory to user-mode clients on Windows 10. Windows Kernel stack memory disclosure in win32kbase!NtQueryCompositionInputQueueAndTransform We have discovered that the...

rVMI: Perform Full System Analysis with Ease

Manual dynamic analysis is an important concept. It enables us to observe the behavior of a sophisticated malware sample or exploit by executing it in a controlled environment. The information gathered through this process is often crucial in gaining a full understanding of a sample. When...

CVE-2017-0283: Windows Uniscribe remote code execution vulnerability analysis-vulnerability warning-the black bar safety net

The last“patch Tuesday”to fix the one named“USP10! MergeLigRecords in Windows Uniscrible font processing heap broken ring”RCE vulnerability. Many days after the Google Project Zero team of Mateusz Jurczyk released a PoC of the report. In the Windows of the library at the same time the presence of...

gdbgui - A browser-based frontend/gui for GDB

A modern, browser-based frontend to gdb gnu debugger. Add breakpoints, view stack traces, and more in C, C++, Go, and Rust! Simply run gdbgui from the terminal and a new tab will open in your browser. Install sudo pip install gdbgui --upgrade Since gdbgui is under active development, consider...

Browser-based GDB frontend: gdbGUI

A modern, browser-based frontend to gdb gnu debugger. Add breakpoints, view stack traces, and more in C, C++, Go, and Rust! Simply run gdbgui from the terminal and a new tab will open in your browse Features Debug a different program in each tab new gdb instance is spawned for each tab Set/remove...

HatDBG - Minimal WIN32 Debugger in Powershell

The HatDBG is A pure Powershell win32 debugging abstraction class. The goal of this project is to make a powershell debugger. It is intended to be used during internal penetration tests and red team engagements. This is exclusively for educational purposes. The debugger objects implementing a...

Extensible Debugger UI For Hackers: Voltron

Voltron is an extensible debugger UI toolkit written in Python. It aims to improve the user experience of various debuggers LLDB, GDB, VDB and WinDbg by enabling the attachment of utility views that can retrieve and display data from the debugger host. By running these views in other TTYs, you ca...

FLARE Script Series: Automating Obfuscated String Decoding

Introduction We are expanding our script series beyond IDA Pro. This post extends the FireEye Labs Advanced Reverse Engineering FLARE script series to an invaluable tool for the reverse engineer – the debugger. Just like IDA Pro, debuggers have scripting interfaces. For example, OllyDbg uses an...

[Charles] Web Debugging Proxy Application

Charles is a web proxy HTTP Proxy / HTTP Monitor that runs on your own computer. Your web browser or any other Internet application is then configured to access the Internet through Charles, and Charles is then able to record and display for you all of the data that is sent and received. In Web a...

File vulnerability analysis in the locate the file field method-vulnerability warning-the black bar safety net

Today looking at the snow on the to see someone ask how to control the file format documentation, and debugging the analysis program being parsed is what structure? Here summarizes a few methods, welcome to Supplement, but sometimes still need to rely on experience. a taint tracking analysis: the...

OllyDbg 2.01 alpha 4 released

OllyDbg 2.01 alpha 4 released Other new features in this version: - Patch manager, similar to 1.10 - Shortcut editor, supports weird things like Ctrl+Win+$ etc. Now you can customize and share your shortcuts. I haven't tested it on Win7, please report any found bugs and incompatibilities! -...